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Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

mosquito's left antenna magnified 500X mosquito's left antenna magnified 500X
Major moons of Uranus in order of increasing distance (left to right), at their proper relative size Major moons of Uranus in order of increasing distance (left to right), at their proper relative size
Left coronary artery (only seen if auricle is open) Left coronary artery (only seen if auricle is open)
Comparison of Type 1 Diabetes to Type 2 Diabetes Comparison of Type 1 Diabetes to Type 2 Diabetes
Functional Differences between Right and Left Hemispheres Functional Differences between Right and Left Hemispheres
Right and Left Visual Fields Right and Left Visual Fields
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

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